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Finding the Fourth Proportional to 61,570.38, 84,967.00 and 33,276

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Solution

The fourth proportional to 61,570.38, 84,967.00 and 33,276 is: 45,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,570.38 : 84,967.00 = 33,276 : x
  2. Step 2: Convert to fraction form
    61,570.38/84,967.00 = 33,276/x
  3. Step 3: Cross multiply
    61,570.38x = 84,967.00 × 33,276
  4. Step 4: Simplify right side
    61,570.38x = 2,827,361,808.81
  5. Step 5: Solve for x
    x = 2,827,361,808.81/61,570.38
  6. Step 6: Final answer
    x = 45,920.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.